Raman Molecular Imaging of Cells and Tissues: Towards Functional Diagnostic Imaging Without Labeling

Author(s): Yoshinori Harada, Tetsuro Takamatsu

Journal Name: Current Pharmaceutical Biotechnology

Volume 14 , Issue 2 , 2013


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Abstract:

Raman spectroscopy has long been used as a powerful tool for chemical composition analyses. Raman scattering light measurement has the advantage of being able to examine biomolecules in a nondestructive and non-labeling manner. However, molecular imaging of cells and tissues by using Raman microscopy had been hampered due to weak Raman signals and required long acquisition time. Recent advances in imaging devices, such as development of slitscanning Raman microscopy, have enabled us to acquire high-resolution Raman images of biomedical samples. Thus, Raman molecular imaging now has wide application potential for in-situ functional analysis of biomolecules in living bodies, such as studies of intracellular drug pharmacokinetics and oxygen saturation of blood capillaries. There is a possibility that Raman scattering light measurement can be applied for functional diagnostic imaging of human bodies, taking advantage of its noninvasive merits in the future. This review briefly highlights recent topics in spontaneous Raman molecular imaging of cells and tissues.

Keywords: Cells, functional diagnostic imaging, raman imaging, slit-scanning raman microscopy, tissues

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Article Details

VOLUME: 14
ISSUE: 2
Year: 2013
Published on: 11 February, 2013
Page: [133 - 140]
Pages: 8
DOI: 10.2174/1389201011314020002
Price: $65

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